Fix a typo. fixed #8021

targer ->
target

A patch from pypypy567. Thanks!!!

git-svn-id: http://jp.rubyist.net/svn/rurema/bitclust/trunk@5710 018432c1-2f1c-0410-ba7c-d424024924b7
Add missing development dependencies. Fix #8086

git-svn-id: http://jp.rubyist.net/svn/rurema/bitclust/trunk@5737 018432c1-2f1c-0410-ba7c-d424024924b7
Fix typos. Fix #8030

browser ->
@browser

params ->
@params

Patched by pypypy567. Thanks!!!

git-svn-id: http://jp.rubyist.net/svn/rurema/bitclust/trunk@5738 018432c1-2f1c-0410-ba7c-d424024924b7